A synonym is a word or phrase that has the same or nearly the same meaning as another word or phrase in the same language.

A synonym is a word or phrase that has the same or nearly the same meaning as another in the same language [1][3][7]. While some synonyms are interchangeable, many differ in nuance, connotation, or usage context [2][5]. Beyond linguistics, the term can also refer to a word or name that embodies a specific quality or concept, or in biology, to multiple scientific names for the same taxonomic group [1][5][8]. Synonyms are often used to improve clarity, avoid repetition, and refine word choice in writing [4][5]. They are the opposite of antonyms, which have opposing meanings [2][7].

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